1
flooring
1
fogging
1
foggy
1
formidable(hard, difficult, awkward, tricky, complicated)
1
fuzzy(vague, unclear, ambiguous, misleading, indistinct)
1
gasser(adjective, hard, fancy, difficult, complex)
1
generating
1
graveling
1
hi-tech(adjective, hard, fancy, difficult, complex)
1
illegible
1
impossible(adjective, awkward, unreasonable, dubious, uneasy)
1
improbable(adjective, unreasonable, dubious, unlikely, flimsy)
1
in doubt
1
incalculable
1
incognizable
1
inconsistent
1
incurring
1
inducing
1
interlaced(adjective, hard, fancy, difficult, complex)
1
irritating
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APASmart Define. (2015). puzzling thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/puzzling/thesaurus/synonyms
ChicagoSmart Define. 2015. "puzzling thesaurus" https://smartdefine.org/puzzling/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, puzzling thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/puzzling/thesaurus/synonyms>.
MLASmart Define. "puzzling thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/puzzling/thesaurus/synonyms>